Home / 45,428,285.20-68,142,427.80-27,288,432.40

Finding the Fourth Proportional to 45,428,285.20, 68,142,427.80 and 27,288,432.40

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Solution

The fourth proportional to 45,428,285.20, 68,142,427.80 and 27,288,432.40 is: 40,932,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,428,285.20 : 68,142,427.80 = 27,288,432.40 : x
  2. Step 2: Convert to fraction form
    45,428,285.20/68,142,427.80 = 27,288,432.40/x
  3. Step 3: Cross multiply
    45,428,285.20x = 68,142,427.80 × 27,288,432.40
  4. Step 4: Simplify right side
    45,428,285.20x = 1,859,500,034,592,180.50
  5. Step 5: Solve for x
    x = 1,859,500,034,592,180.50/45,428,285.20
  6. Step 6: Final answer
    x = 40,932,648.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.